6343431264 has 36 divisors (see below), whose sum is σ = 18039133476. Its totient is φ = 2114476992.

The previous prime is 6343431247. The next prime is 6343431277. The reversal of 6343431264 is 4621343436.

6343431264 is a `hidden beast` number, since 634 + 3 + 4 + 3 + 12 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11012614 + ... + 11013189.

It is an arithmetic number, because the mean of its divisors is an integer number (501087041).

Almost surely, 2^6343431264 is an apocalyptic number.

It is an amenable number.

6343431264 is an abundant number, since it is smaller than the sum of its proper divisors (11695702212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6343431264 is a wasteful number, since it uses less digits than its factorization.

6343431264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22025819 (or 22025808 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 6343431264 is about 79645.6606727573. The cubic root of 6343431264 is about 1851.1491534852.

The spelling of 6343431264 in words is "six billion, three hundred forty-three million, four hundred thirty-one thousand, two hundred sixty-four".